11653673541 has 16 divisors (see below), whose sum is σ = 16399219200. Its totient is φ = 7340781168.

The previous prime is 11653673531. The next prime is 11653673561. The reversal of 11653673541 is 14537635611.

It is a happy number.

It is not a de Polignac number, because 11653673541 - 2⁶ = 11653673477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11653673493 and 11653673502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11653673531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248121 + ... + 291326.

It is an arithmetic number, because the mean of its divisors is an integer number (1024951200).

Almost surely, 2^11653673541 is an apocalyptic number.

It is an amenable number.

11653673541 is a deficient number, since it is larger than the sum of its proper divisors (4745545659).

11653673541 is a wasteful number, since it uses less digits than its factorization.

11653673541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539848.

The product of its digits is 226800, while the sum is 42.

The spelling of 11653673541 in words is "eleven billion, six hundred fifty-three million, six hundred seventy-three thousand, five hundred forty-one".